Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Slope control of leading or trailing edge of rectangular or...
Reexamination Certificate
2005-05-03
2005-05-03
Lam, Tuan T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Slope control of leading or trailing edge of rectangular or...
C327S108000, C326S083000, C326S086000
Reexamination Certificate
active
06888388
ABSTRACT:
In a circuit and method for adjusting rise-and-fall-time changes in an output driver signal due to changes in temperature, process or voltage, the driver output voltage is monitored and current flow through a constant load resistor adjusted as the voltage changes. The current may be adjusted by controlling the gate-source voltage on a transistor. The gate voltage on the transistor may also be used to adjust the power supply to pre-drivers of the output driver.
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Cook Richard W.
Macaluso Steven M.
Lam Tuan T.
National Semiconductor Corp.
Vollrath Jurgen
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